General Motors

PTI-SERT M12x1.75 LS9 Head Bolt Repair Kit P/n EN-42385-50

GM NorthStar 2004 M11x 2.0 Headbolt P/n J-42385-2030

GM NorthStar 2000 M11x 1.5 Headbolt P/n J-42385-2000

GM NorthStar M11x 1.5 Headbolt P/n J-42385-500

Big-Sert NorthStar M11x1.5 p/n J-42385-500BS

Oldsmobile M11x1.5 head bolt 3.5 liter kit p/n 6001

GM Inline 6 LL8 M11x2.0 head bolt kit p/n 4001

GEN 3 M11x 2.0 Headbolt 5.7 liter P/n J-42385-100

GM M11x2.0 ECOTEC GEN2 P/n 9530

GEN3 M10x2.0 Main Bearing 5.7 liter P/n J-42385-120

NorthStar 4.0/4.6 M10x1.5 Main Bearing P/n J-42385-300

7/16-14 head bolt or rocker arm p/n 0761D

7/16-14 Oversized Big-Sert Kit p/n 5761E